package tech.aistar.corejava.day09.string;

/**
 * Created by 李雨昂 on 2019/7/25.
 */
public class StringParams {
    public static void main(String[] args) {
        String str = "good";

        change(str);

    }

    private static void change(String str) {
        str += " hello";

        System.out.println(str + "==========");
    }
}
